Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSFORD2022TRANSIT CONNECT TITANIUM, GASREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 473 (ENGINE CONTROLS - PINPOINT TESTS (DIESEL))PINPOINT TESTS AE: UNABLE TO ACTIVATE SELF TEST/NETWORK COMMUNICATION ERRORINTRODUCTION
2022 Ford Transit Connect Titanium, Gas
Pinpoint Tests AE: Unable to Activate Self Test/Network Communication Error: Introduction
2022 Ford Transit Connect Titanium, GasSECTION Introduction
WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2019 Ford Transit-350 HD, 2019 Ford Transit-350, 2019 Ford Transit-250, 2019 Ford Transit-150, and 2019 Ford F-550 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Regeneration may occur during normal operation. During regeneration, diagnostic procedures may display biased values. If a regeneration occurs during diagnostic procedures, allow the process to complete before continuing diagnostics.
This pinpoint test is intended to diagnose the following:
- unable to communicate with the PCM
- unable to activate the PCM self-test
- harness circuits VPWR, ISP-R, PCMRC and PWRGND
Harness Side
| Circuit | Pin |
|---|---|
| VREF (Reference Voltage) | 3 |
| SIGRTN (Signal Return) | 1 |
Harness Side
| Circuit | Pin |
|---|---|
| ISP-R (Ignition Switch Position Run) | 42 |
| PCMRC (PCM Relay Control) | 38 |
| VPWR (Vehicle Power) | 69 |
| VPWR (Vehicle Power) | 68 |
| VPWR (Vehicle Power) | 67 |
| PWRGND (Power Ground) | 70 |
| PWRGND (Power Ground) | 71 |
| PWRGND (Power Ground) | 72 |
| PWRGND (Power Ground) | 73 |
| PWRGND (Power Ground) | 74 |
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.